<!DOCTYPE html>
<html>
  <head>
    <title>Playing Audio</title>
  </head>
  <body><br><pre>
    <audio controls>
      <source src='audio.m4a' type='audio/aac'>
      <source src='audio.mp3' type='audio/mp3'>
      <source src='audio.ogg' type='audio/ogg'>
    </audio>
  </body>
</html>
